Kaspersky Error 27300 occurs when the installer fails to load network filter drivers, usually triggered by leftover files from previous security programs, network driver conflicts, or system file corruption. Solutions include using the Kaspersky removal tool, deleting the "klim6" driver service via Command Prompt, removing conflicting third-party network software, and repairing system files. For more details, visit Kaspersky Support .
Error 27300 is a critical installation failure that occurs when a security application fails to install the klim6.sys driver. This specific driver serves as a network filter (Kaspersky Anti-Virus Interceptor Mask), and its installation is often blocked by system integrity issues, leftover files from previous security software, or conflicts with other network-level drivers. Core Causes error 27300 error installing driver klim6sysx64 exclusive
Run a full system scan with:
If errors are found, follow the prompts to repair them before restarting the installer. 5. Disable Driver Signature Enforcement (Temporary) Kaspersky Error 27300 occurs when the installer fails